ZITRADES 4pcs/lot Convenient Carrying Alloy Water Bottle Holder Carabiner Hook Buckle by ZITRADES A simple and firm way to carry water bottles. Uses alloy clip to clamp the bottle neck. And locks the carabiner clip to your belt loop or backpack. It can also add keys, IDs, Badges, reels and many other items to the split ring. Bottle holder hole diameter: 2.7cm Strap width:2.7cm.